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A technique to stabilize the capsular bag and expansion of the pupil with malyugin ring

Poster Details

First Author: S.Zarei-Ghanavati IRAN

Co Author(s):                  

Abstract Details


To introduce a new method for stabilizing the capsular bag as well as dilating the iris during phacoemulsification in case of concurrent zonular insufficiency and pupillary miosis


Mashhad University of Medical Sciences


The malyugin ring (6.25 mm) is injected and positioned to dilate the iris to allow a capsulorhexis. Capsulorhexis with size of 5.5 to 6 mm (just concentric to the pupil border) is done. Then malyugin ring is released from the iris border and reloaded in to its injector. The ring is re-implanted to engage the iris at position 3 ,6, 9 and 12 o’clock and the anterior capsulorhexis edge at position 12,6 o’clock in order to stabilize the capsular bag. Hydrodissection, phacoemulsification, irrigation/aspiration and insertion of IOL in the bag are performed and malyugin is removed.


we used the 6.25 mm type to stabilize the capsule and expand the pupil instead of using four capsule and four iris retractors. It diminishes time of surgery and is easier and faster than conventional methods.


This technique is useful for the cataract surgeries complicated with combination of pupillary mitosis and zonular weakness (e.g pseudoexfoliation).

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